Convert integer/decimal to hex on an Arduino?

Take a look at the Arduino String tutorial here The code below was taken from that example using an int and a base (hexadecimal): stringOne = String(45, HEX); // prints "2d", which is the hexadecimal version of decimal 45: Serial. Println(stringOne) There are plenty of other examples on that page, though I think for floating point numbers you'll have to roll your own.

Take a look at the Arduino String tutorial here. The code below was taken from that example. // using an int and a base (hexadecimal): stringOne = String(45, HEX); // prints "2d", which is the hexadecimal version of decimal 45: Serial.

Println(stringOne); There are plenty of other examples on that page, though I think for floating point numbers you'll have to roll your own.

Just confirming what Nathan said about floating points. The code base to support printing out floating points is considered too large to be included by default. A simple solution is to multiply your number by 100 or so and print it as an int.

– baalexander Apr 18 at 15:30.

The Streaming library provides a built in way to do this: #include ... Serial.

There's a simpler solution, just use: Serial. Print(yourVariable, HEX).

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